anthonygoodwine827 anthonygoodwine827

22-03-2024
Mathematics

contestada

(i) (7i) (-i)
Can someone please help me

Respuesta :

ozieltijerina ozieltijerina

22-03-2024

So this is (7i)(-i)= 7(-1)(i)(i)= -7(i²) and remember that i²=-1 so

-7i²= -7(-1)=7

So

(7i)(-i)= 7

Hope this helps!!!! Give 5 star rating!!!

Answer Link

Otras preguntas

A caterpillar represents which stage in the life cycle of an insect? A. pupa B. larva C. adult D. egg

A moraine is a cone-shaped deposit of calcite that builds up on the floor of a cave.true or false?

At which of these locations is a dietician least likely to work? school theater hospital nursing home

According to the school survey 12% of the students at Rockwood high school speak Spanish there are 36 students at the school who speak Spanish how many students

When did the most immigrants arrive in the United States? A. 1893 B. 1900 C. 1913 D. 1907

What occurs when a rock is broken into smaller pieces without a change in the rock's mineral composition?

how many dimes would you need to make $90.10

What occurs when a rock is broken into smaller pieces without a change in the rock's mineral composition?

FACT of the day "The cause of the popping sound produced by knuckle cracking(fingers) is largely a mystery."

What would happen if the valves separating the chambers in a person's heart did not close?